New Holland EC 450 Crawler Excavator Operator’s Manual 73179397 – PDF DOWNLOAD

Description

New Holland EC 450 Crawler Excavator Operator’s Manual 73179397 – PDF DOWNLOAD

IMAGES PREVIEW OF THE MANUAL:

DESCRIPTION:

New Holland EC 450 Crawler Excavator Operator’s Manual 73179397 – PDF DOWNLOAD

PREFACE:

• These operating instructions are designed to familiarize the operator with the machine and its designated use. The instruction manual contains important information on how to operate the machine safely, properly and with maximum efficiency.
• Observing these instructions helps to prevent hazardous situations, to reduce repair costs and downtimes and to increase the reliability and service life of the machine.
• The instruction manual must be supplemented by the respective national rules and regulations for accident prevention and environmental protection. The operating instructions must always be available in the operator’s cab of the machine.

The operating instructions must be read and put into practice by any person in charge of carrying out work with or on the machine, such as

– operation, including setting-up, troubleshooting in the course of work, care, evacuation of production waste and disposal of fuels and consumables.
– maintenance (inspection, servicing, repair) and I or
– transport.

• In addition to the operating instructions and the mandatory rules and regulations for accident prevention and environmental protection in the user’s country and at place where the machine is to be used, the generally recognized technical rules for safe and proper working must be observed.
• This information is valid at the moment of printing. As the manufacturer constantly improves his products, some information may result as not updated. In case of differences, always ask your Service Center.

TABLE OF CONTENTS:

New Holland EC 450 Crawler Excavator Operator’s Manual 73179397 – PDF DOWNLOAD

PART 1 – INTRODUCTION
PREFACE 3
Warnings and symbols 4
DESIGNATED USE 4
Organizational measures 5
Selection and qualification of personnel – basic responsibilities 6
Safety instructions governing specific operational phases
Standard operation 6
Special work in conjunction with utilization of the machine – maintenance and repairs during operation –
disposal of parts and consumables 7
Warning of special dangers
Electric energy 8
Gas, dust, steam and smoke 8
Hydraulic and pneumatic equipment 9
Noise 9
Oil, grease and other chemical substances 9
Transporting and towing – recommissioning 9
California, Proposition 65 Warning 9
SAFETY PRECAUTIONS FOR OPERATION 10
General 10
Before Operation 12
PART 2 – OPERATION
Operation – safety instructions 21
DESCRIPTION OF THE MACHINE
Machine layout 25
Superstructure 25
Undercarriage 25
Working equipment with backhoe 25
Working equipment with bucket (optional) 25
Undercarriage 25
Superstructure 25
Hydraulic system 25
Steering 25
Crawler unit brake 25
Electrical system 25
Working equipment 25
SIGNS
Warning and instruction signs 27
Machine number 27
Engine number 27
Component numbers 27
DRIVER’S CAB
Climbing Up and Down 28
Opening / Closing the Driver’s Cab Door 29
Opening the Door from Outside 29
Opening the Door from Inside 29
Closing the Door 29
Adjustment of driver’s seat 30
Adjustment of seat suspension 30
Fore and aft adjustment of seat 30
Adjustment of seat position 30
Adjustment of backrest inclination 30
Adjustment of armrests 30
Adjusting the control console position
Adjusting the Mirrors 32
Opening and Closing the Windscreen 32
Removing the Windscreen Lower Part 33
Opening/ closing side window 33
Emergency exit 33
Using the Sunshade 34
Rolling out the Sunshade 34
Rolling up the Sunshade 34
Cab interior lamp – switching on and off 35
Socket outlet in cab 35
MONITORING-, WARNING- AND CONTROL ELEMENTS
Description of control panel 36
Control panel operating instructions 37
Control panel 38
Supplementary control panel 46
Control elements (SAE-control) 48
STARTING UP THE MACHINE 52
Refuelling
Refuelling, safety instructions 52
Refuelling 52
Switching the electrical system on and off 53
Electronic start inhibit function, entering the code
Entering the code 54
Starting and stopping the engine
Starting the engine 55
Starting the engine with cold-starting aid 56
Engine does not start 57
Shutting off the engine 57
Ventilation and heating
Ventilation 58
Heating 58
Adjusting the heating performance 58
Defrosting the front and rear screens 59
Switching the windscreen wiper/ washer on and off 59
To activate intermittent wiping 59
To activate permanent wiping 59
To de-activate the wiper 59
To activate the wipe/ wash function 59
DRIVING 60
Driving – Safety instructions 60
Seat belt
Seat belt – safety instructions 61
Bringing the machine to basic position 62
Selecting direction of travel 62
Braking and stopping
Braking travelling movement 63
Parking brake / travel 63
Altering travelling speed
Gear mode 63
Drive – forward / reverse
Travel forwards straight ahead 64
Travel reverse straight ahead 64
Travel forward to right 65
Travel reverse to right 65
Travel forward to left 65
Travel reverse to left 65
Turning on the spot
Turn to left 66
Turn to right 66
Travel with suspended load 67
Travel after PCS failure 67
After travel operation 67
Transporting the machine
Transport – Safety instructions 68
WORKING OPERATION 70
Working operation – Safety instructions
Extreme positioning of working equipment – Instructions 71
Before beginning work 71
Switching on the working floodlamps 72
Automatic speed reduction 73
Switching off the automatic speed reduction 73
Switching on the automatic speed reduction 73
Selecting the PCS output stage 74
Activating the servo control 7 4
Switching off the pilot control 75
Superstructure swinging and braking
Superstructure swinging 76
Swing superstructure to right 76
Swing superstructure to left 76
Superstructure braking 76
Superstructure holding brake – function 76
Applying the superstructure holding brake 77
Releasing the superstructure holding brake 77
Swing; changing the mode of operation 78
Superstructure holding brake – emergency operation 79
Selecting the backhoe/ grab equipment 79
Backhoe bucket operations 79
Grab operation 79
Working with backhoe/bucket or grab equipment
Raising and lowering boom 81
Extending and retracting stick 81
Swinging superstructure 81
Filling and emptying backhoe/bucket 81
Opening and closing bucket flap 81
Opening and closing grab 81
Rotating grab 81
Activate the Power assist function 81
Activate the Power boost function 81
Activate the horn 81
Power assist, function 82
Switching the power assist on 82
Switching the power assist off 82
Power Boost, function 82
Switching the Power Boost function on 82
Operating methods 83
Working operation in case of PCS failure
Switching the proportional valve over to emergency operation 85
After daily operation
Shutting off the machine 86
WORKING EQUIPMENT 87
Assembling working equipment – safety instructions
Protective roof against falling objects 87
Securing the machine 88
Before beginning assembly work 88
Attaching/ removing the backhoe assembly 89
Attaching/ removing the bucket assembly 91
Attaching and detaching the grab equipment
Attaching and detaching the grab equipment – Safety instructions 94
Attaching the grab 94
Detaching the grab 95
Detaching/ attaching the backhoe bucket 96
Corrosion protection for pins and bearings (bushings and hubs)
Part nos for Valer A C 97
Application of Vol er A C 97
HYDRAULIC HAMMERS
Working with hydraulic hammers – safety instructions 98
Switching the hydraulic hammer on 99
Switching the hydraulic hammer off 99
LIFTING-GEAR OPERATION 100
Lifting-gear operation – safety instructions 100
Loading hooks on backhoe buckets and couplers
Loading hook capacity 101
Excavator load capacity 101
Overload warning system
Function of overload warning system 102
Activating overload warning system 102
Testing the overload warning system 103
Deactivating overload warning system 103
Pipe-fracture safety system, function 104
OPTIONAL EQUIPMENT
Rotary beacon 105
Radio 105
Refuelling system
Refuelling with the refuelling system, safety instructions 106
Refuelling with the refuelling system 107
Undercarriage, adjusting the width 108
Driver’s seat – adjusting the lumbar support
Adjusting the lumbar support 110
Driver’s seat with pneumatic suspension and integrated heating
Adjusting the pneumatic suspension 111
Fore-and-aft adjustment 111
Adjusting the seat cushion 111
Adjusting the backrest 111
Adjusting the armrests 111
Adjusting the lumbar support 112
Switching on the seat heating 112
To switch on the seat heating: 112
To switch off the seat heating: 112
Air conditioning systems for excavators
Operating Instructions 113
Location of controls 113
Troubleshooting table for air conditioning systems 114
Causes of strongly diverging pressure measurements 117
KEYBOARD, FURTHER FUNCTIONS
Service (key 16), function 118
Display function (key 18) 119
To indicate the engine revolutions 119
To indicate the time of day 119
Setting the time 120
Display, setting the contrast 121
Electronic start inhibit function, disabling/ enabling the code entry 122
PART 3 – INSPECTION AND SERVICING
Inspection and servicing – safety instructions 125
Inspection and servicing plans – instructions
Plan V – Once before first commissioning 130
Plan N -After first commissioning 131
Plan T – every 10 OH or every working shift 132
Plan W – every 50 OH or weekly 132
Plan A – after every 250 OH or 6 months 133
Plan B – after every 500 OH 133
Plan C – after every 1000 OH 133
Plan D – after every 3000 OH 133
LUBRICATING CHART- GREASE
Lubricating chart – grease 137
Filling quantities – grease 137
Joints and hinges 137
INSPECTION PLAN – OIL
Inspection plan – oil 139
Filling quantities for oil change 139
Other filling quantities 139
LUBRICANTS 140
Oils for internal combustion engines 140
Oils for hydraulic system, mineral 141
Oils for gearboxes 142
Greases for bearing points and swing rings 143
SERVICING
Draining hose for oil changes 144
ENGINE 145
Engine, safety instructions for inspection and servicing
Checking the engine oil level/ topping up with oil 146
Checking the drive belts 14 7
Checking the coolant level 14 7
AIR-INTAKE SYSTEM
Emptying the dust collector 148
Removing, checking, and cleaning the main filter element 149
Checking/ changing safety filter element 150
Checking air intake lines 150
FUEL SYSTEM 151
Fuel system – Safety instructions
Cleaning the fuel tank 152
Replacing the caulking strip 153
ELECTRICAL SYSTEM
Electrical system – Safety instructions 154
Alternator – instructions 154
Battery main switch 155
Battery, checking
Battery – checking the fluid level 155
Battery- checking the charge 155
Removing and installing the battery 156
HYDRAULIC SYSTEM
Hydraulic system – safety instructions 157
Depressurizing the hydraulic system 157
Checking the hydraulic oil level 158
Topping up with hydraulic oil 158
Changing the hydraulic oil return-flow filters 159
Replacing the breather valve 159
Changing line filters 160
Changing the hydraulic oil 161
Draining hydraulic oil 161
Cleaning the hydraulic oil reservoir 162
Replacing the caulking strip 163
Filling with hydraulic oil 164
Venting the hydraulic system 164
Cleaning the combinated cooler 165
SWING GEAR
Swing gear – checking oil level 166
Swing gear – changing oil 166
Superstructure holding brake – Function checking 167
PIVOT CONNECTION
Pivot connection – Instructions 168
Swing ring – Gearing and pinion 168
Swing ring -Tracks 169
Swing ring – checking tightness of screws 170
Lubricating the greasing nipples 170
Greasing the pedal valve tappets 171
Greasing the control valve tappets 171
TRAVEL GEAR UNIT
Travel gear unit – checking oil level 172
Travel gear unit – changing oil 172
CRAWLER UNIT
Cleaning the crawler unit 173
Checking tread rollers and track carrier rollers 173
Checking the front idler 17 4
Crawler shoes – checking tightness of screws 17 4
Crawler chain – Checking tension 175
Tensioning the crawler chain 175
Releasing crawler chain tension 176
WINDSCREEN WASHER
Topping up the wash fluid 177
Machine shutdown
Battery storage 178
Recommissioning 178
PART 4 – REPAIR WORK
Repair work – safety instructions 181
Accumulators, safety instructions 182
ENGINE
Engine, repair instructions 183
Assisted starting (with jump-leads) – safety instructions
Assisted starting (with jumper cables) 184
Prior to assisted starting 184
Connecting the jumper cables 184
Starting up the engines 184
Disconnecting the jumper cables 184
FUSES
Checking / replacing the fuses 185
Table of fuses 186
BULBS
Replacing the bulbs – Notes 187
Bulbs – Table 187
Replacing the bulb in the cab interior lamp 187
Replacing the bulb of the flood lamps 188
Replacing the bulb of the flood lamp on driver’s cab 188
Working equipment – replacing a tooth 189
Clamshell, Wear Limits 190

Questions? Email us: [email protected]

PLEASE NOTE:

• This is the SAME exact manual used by your dealers to fix your vehicle.
• The same can be yours in the next 2-3 mins as you will be directed to the download page immediately after paying for the manual.
• Any queries / doubts regarding your purchase, please feel free to contact [email protected]

S.V